Discussion:
Gauge of steel sheet for body/floor welding for MOT standards.
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Fred
2006-04-29 16:52:18 UTC
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I've searched and can't find any definitive thickness of steel I should use.

What are the rules?
aussie bongo
2006-04-29 16:59:18 UTC
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Post by Fred
I've searched and can't find any definitive thickness of steel I should use.
What are the rules?
i use 0.06mm for sills and plating
Cicero
2006-04-29 17:19:49 UTC
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Post by aussie bongo
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Post by Fred
I've searched and can't find any definitive thickness of steel I should use.
What are the rules?
i use 0.06mm for sills and plating
=======================
Isn't that (0.06mm) a bit thin? I've just measured a bit of 'Zintec' I use
occasionally and it's about 1.5mm. Maybe I overdo things?

Cic.
aussie bongo
2006-04-29 19:43:52 UTC
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Post by Cicero
Post by aussie bongo
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Post by Fred
I've searched and can't find any definitive thickness of steel I should use.
What are the rules?
i use 0.06mm for sills and plating
=======================
Isn't that (0.06mm) a bit thin? I've just measured a bit of 'Zintec' I use
occasionally and it's about 1.5mm. Maybe I overdo things?
Cic.
i use just over half a millimetre as it is easier to shape for things like
sills etc.
if you check the standard thickness of modern car bodywork, i would be
suprised if any are 1.5mm.
ok you get alot more strength, but alot more work as well as a higher cost.
i have sometimes used 0.8, but not often.
Cicero
2006-04-29 20:49:17 UTC
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Post by aussie bongo
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Post by Cicero
Post by aussie bongo
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Post by Fred
I've searched and can't find any definitive thickness of steel I
should
Post by aussie bongo
Post by Cicero
Post by aussie bongo
Post by Fred
use.
What are the rules?
i use 0.06mm for sills and plating
=======================
Isn't that (0.06mm) a bit thin? I've just measured a bit of 'Zintec' I use
occasionally and it's about 1.5mm. Maybe I overdo things?
Cic.
i use just over half a millimetre as it is easier to shape for things like
sills etc.
if you check the standard thickness of modern car bodywork, i would be
suprised if any are 1.5mm.
ok you get alot more strength, but alot more work as well as a higher cost.
i have sometimes used 0.8, but not often.
============================
You're probably right about modern car bodywork although I would expect a
bit thicker for floor / chassis work.

Most of my work was done a different generation of cars - 1960s and early
1970s when some cars were still built from solid steel rather than surplus
Heinz Beans tins.

Cic.
shazzbat
2006-04-29 18:14:15 UTC
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Post by aussie bongo
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Post by Fred
I've searched and can't find any definitive thickness of steel I should use.
What are the rules?
i use 0.06mm for sills and plating
I think you mean 0.6, no?

Steve
aussie bongo
2006-04-29 19:45:11 UTC
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Post by shazzbat
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Post by Fred
I've searched and can't find any definitive thickness of steel I should use.
What are the rules?
i use 0.06mm for sills and plating
thank you steve, you are correct 0.6 just over half a mill
Post by shazzbat
I think you mean 0.6, no?
Steve
Coyoteboy
2006-04-29 19:04:46 UTC
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"aussie bongo" <***@hotmailDOTco.uk> wrote in message
news:GXM4g.1874
Post by aussie bongo
i use 0.06mm for sills and plating
Lol, i hope not. Tin foil anyone :-)

Even 0.6 is a little thin. I'd go with 1mm roughly, but usually whatever is
there already. If you go thinner you'll have it weakening the structure and
if you go thicker you will stress the welds and other areas around it by it
being stiff. To what extent this matters depends on the location and
existing design- hence stick with original.

J
Ian Johnston
2006-04-29 19:54:14 UTC
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On Sat, 29 Apr 2006 19:04:46 UTC, "Coyoteboy"
<***@hotmail.com> wrote:

:
: "aussie bongo" <***@hotmailDOTco.uk> wrote in message
: news:GXM4g.1874
: > i use 0.06mm for sills and plating
:
: Lol, i hope not. Tin foil anyone :-)

Still marginally thicker than the stuff they made my 2CV out of...

Ian
aussie bongo
2006-04-29 19:59:05 UTC
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Post by Ian Johnston
On Sat, 29 Apr 2006 19:04:46 UTC, "Coyoteboy"
: news:GXM4g.1874
: > i use 0.06mm for sills and plating
: Lol, i hope not. Tin foil anyone :-)
Still marginally thicker than the stuff they made my 2CV out of...
Ian
yes but a 2cv donot have the stresses of an engine and good brakes :-)
Guy King
2006-04-29 19:34:09 UTC
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Post by aussie bongo
i use 0.06mm for sills and plating
Don't you mean 0.6mm?
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Chris Bolus
2006-04-29 20:57:06 UTC
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On Sat, 29 Apr 2006 16:59:18 GMT, "aussie bongo"
Post by aussie bongo
Post by Fred
I've searched and can't find any definitive thickness of steel I should use.
What are the rules?
i use 0.06mm for sills and plating
Assuming you mean 0.6mm, you must be bloody good welder to plate
effectively with that!

I use 1mm, and prefer 1.5mm for chassis work. Anything less takes a lot
of skill to weld, as well as being (IMO) dubious for strength.

Old panels make good repair material as long as they're sound; I often
use bits of old roof, door and bonnet!
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Ian Stirling
2006-04-29 17:25:48 UTC
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Post by Fred
I've searched and can't find any definitive thickness of steel I should use.
What are the rules?
Whatever the rules are, it'd be moderately logical to use whatever
thickness of steel makes a repair no weaker than the existing structure,
and does not add excessive stiffness so that the ends break off.
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